376 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			376 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| // +----------------------------------------------------------------------
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| // | ThinkPHP [ WE CAN DO IT JUST THINK ]
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| // +----------------------------------------------------------------------
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| // | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
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| // +----------------------------------------------------------------------
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| // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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| // +----------------------------------------------------------------------
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| // | Author: yunwuxin <448901948@qq.com>
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| // +----------------------------------------------------------------------
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| 
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| namespace think\console\input;
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| 
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| class Definition
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| {
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| 
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|     /**
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|      * @var Argument[]
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|      */
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|     private $arguments;
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| 
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|     private $requiredCount;
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|     private $hasAnArrayArgument = false;
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|     private $hasOptional;
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| 
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|     /**
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|      * @var Option[]
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|      */
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|     private $options;
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|     private $shortcuts;
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| 
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|     /**
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|      * 构造方法
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|      * @param array $definition
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|      * @api
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|      */
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|     public function __construct(array $definition = [])
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|     {
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|         $this->setDefinition($definition);
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|     }
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| 
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|     /**
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|      * 设置指令的定义
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|      * @param array $definition 定义的数组
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|      */
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|     public function setDefinition(array $definition)
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|     {
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|         $arguments = [];
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|         $options   = [];
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|         foreach ($definition as $item) {
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|             if ($item instanceof Option) {
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|                 $options[] = $item;
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|             } else {
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|                 $arguments[] = $item;
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|             }
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|         }
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| 
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|         $this->setArguments($arguments);
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|         $this->setOptions($options);
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|     }
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| 
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|     /**
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|      * 设置参数
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|      * @param Argument[] $arguments 参数数组
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|      */
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|     public function setArguments($arguments = [])
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|     {
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|         $this->arguments          = [];
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|         $this->requiredCount      = 0;
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|         $this->hasOptional        = false;
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|         $this->hasAnArrayArgument = false;
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|         $this->addArguments($arguments);
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|     }
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| 
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|     /**
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|      * 添加参数
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|      * @param Argument[] $arguments 参数数组
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|      * @api
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|      */
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|     public function addArguments($arguments = [])
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|     {
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|         if (null !== $arguments) {
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|             foreach ($arguments as $argument) {
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|                 $this->addArgument($argument);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * 添加一个参数
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|      * @param Argument $argument 参数
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|      * @throws \LogicException
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|      */
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|     public function addArgument(Argument $argument)
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|     {
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|         if (isset($this->arguments[$argument->getName()])) {
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|             throw new \LogicException(sprintf('An argument with name "%s" already exists.', $argument->getName()));
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|         }
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| 
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|         if ($this->hasAnArrayArgument) {
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|             throw new \LogicException('Cannot add an argument after an array argument.');
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|         }
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| 
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|         if ($argument->isRequired() && $this->hasOptional) {
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|             throw new \LogicException('Cannot add a required argument after an optional one.');
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|         }
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| 
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|         if ($argument->isArray()) {
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|             $this->hasAnArrayArgument = true;
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|         }
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| 
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|         if ($argument->isRequired()) {
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|             ++$this->requiredCount;
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|         } else {
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|             $this->hasOptional = true;
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|         }
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| 
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|         $this->arguments[$argument->getName()] = $argument;
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|     }
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| 
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|     /**
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|      * 根据名称或者位置获取参数
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|      * @param string|int $name 参数名或者位置
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|      * @return Argument 参数
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|      * @throws \InvalidArgumentException
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|      */
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|     public function getArgument($name)
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|     {
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|         if (!$this->hasArgument($name)) {
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|             throw new \InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
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|         }
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| 
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|         $arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
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| 
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|         return $arguments[$name];
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|     }
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| 
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|     /**
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|      * 根据名称或位置检查是否具有某个参数
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|      * @param string|int $name 参数名或者位置
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|      * @return bool
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|      * @api
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|      */
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|     public function hasArgument($name)
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|     {
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|         $arguments = is_int($name) ? array_values($this->arguments) : $this->arguments;
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| 
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|         return isset($arguments[$name]);
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|     }
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| 
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|     /**
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|      * 获取所有的参数
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|      * @return Argument[] 参数数组
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|      */
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|     public function getArguments()
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|     {
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|         return $this->arguments;
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|     }
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| 
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|     /**
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|      * 获取参数数量
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|      * @return int
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|      */
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|     public function getArgumentCount()
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|     {
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|         return $this->hasAnArrayArgument ? PHP_INT_MAX : count($this->arguments);
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|     }
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| 
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|     /**
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|      * 获取必填的参数的数量
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|      * @return int
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|      */
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|     public function getArgumentRequiredCount()
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|     {
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|         return $this->requiredCount;
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|     }
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| 
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|     /**
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|      * 获取参数默认值
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|      * @return array
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|      */
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|     public function getArgumentDefaults()
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|     {
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|         $values = [];
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|         foreach ($this->arguments as $argument) {
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|             $values[$argument->getName()] = $argument->getDefault();
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|         }
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| 
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|         return $values;
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|     }
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| 
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|     /**
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|      * 设置选项
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|      * @param Option[] $options 选项数组
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|      */
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|     public function setOptions($options = [])
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|     {
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|         $this->options   = [];
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|         $this->shortcuts = [];
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|         $this->addOptions($options);
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|     }
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| 
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|     /**
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|      * 添加选项
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|      * @param Option[] $options 选项数组
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|      * @api
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|      */
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|     public function addOptions($options = [])
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|     {
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|         foreach ($options as $option) {
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|             $this->addOption($option);
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|         }
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|     }
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| 
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|     /**
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|      * 添加一个选项
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|      * @param Option $option 选项
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|      * @throws \LogicException
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|      * @api
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|      */
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|     public function addOption(Option $option)
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|     {
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|         if (isset($this->options[$option->getName()]) && !$option->equals($this->options[$option->getName()])) {
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|             throw new \LogicException(sprintf('An option named "%s" already exists.', $option->getName()));
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|         }
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| 
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|         if ($option->getShortcut()) {
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|             foreach (explode('|', $option->getShortcut()) as $shortcut) {
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|                 if (isset($this->shortcuts[$shortcut])
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|                     && !$option->equals($this->options[$this->shortcuts[$shortcut]])
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|                 ) {
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|                     throw new \LogicException(sprintf('An option with shortcut "%s" already exists.', $shortcut));
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|                 }
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|             }
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|         }
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| 
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|         $this->options[$option->getName()] = $option;
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|         if ($option->getShortcut()) {
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|             foreach (explode('|', $option->getShortcut()) as $shortcut) {
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|                 $this->shortcuts[$shortcut] = $option->getName();
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * 根据名称获取选项
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|      * @param string $name 选项名
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|      * @return Option
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|      * @throws \InvalidArgumentException
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|      * @api
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|      */
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|     public function getOption($name)
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|     {
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|         if (!$this->hasOption($name)) {
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|             throw new \InvalidArgumentException(sprintf('The "--%s" option does not exist.', $name));
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|         }
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| 
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|         return $this->options[$name];
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|     }
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| 
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|     /**
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|      * 根据名称检查是否有这个选项
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|      * @param string $name 选项名
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|      * @return bool
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|      * @api
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|      */
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|     public function hasOption($name)
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|     {
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|         return isset($this->options[$name]);
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|     }
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| 
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|     /**
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|      * 获取所有选项
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|      * @return Option[]
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|      * @api
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|      */
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|     public function getOptions()
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|     {
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|         return $this->options;
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|     }
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| 
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|     /**
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|      * 根据名称检查某个选项是否有短名称
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|      * @param string $name 短名称
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|      * @return bool
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|      */
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|     public function hasShortcut($name)
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|     {
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|         return isset($this->shortcuts[$name]);
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|     }
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| 
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|     /**
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|      * 根据短名称获取选项
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|      * @param string $shortcut 短名称
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|      * @return Option
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|      */
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|     public function getOptionForShortcut($shortcut)
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|     {
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|         return $this->getOption($this->shortcutToName($shortcut));
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|     }
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| 
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|     /**
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|      * 获取所有选项的默认值
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|      * @return array
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|      */
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|     public function getOptionDefaults()
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|     {
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|         $values = [];
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|         foreach ($this->options as $option) {
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|             $values[$option->getName()] = $option->getDefault();
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|         }
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| 
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|         return $values;
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|     }
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| 
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|     /**
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|      * 根据短名称获取选项名
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|      * @param string $shortcut 短名称
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|      * @return string
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|      * @throws \InvalidArgumentException
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|      */
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|     private function shortcutToName($shortcut)
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|     {
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|         if (!isset($this->shortcuts[$shortcut])) {
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|             throw new \InvalidArgumentException(sprintf('The "-%s" option does not exist.', $shortcut));
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|         }
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| 
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|         return $this->shortcuts[$shortcut];
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|     }
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| 
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|     /**
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|      * 获取该指令的介绍
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|      * @param bool $short 是否简洁介绍
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|      * @return string
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|      */
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|     public function getSynopsis($short = false)
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|     {
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|         $elements = [];
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| 
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|         if ($short && $this->getOptions()) {
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|             $elements[] = '[options]';
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|         } elseif (!$short) {
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|             foreach ($this->getOptions() as $option) {
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|                 $value = '';
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|                 if ($option->acceptValue()) {
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|                     $value = sprintf(' %s%s%s', $option->isValueOptional() ? '[' : '', strtoupper($option->getName()), $option->isValueOptional() ? ']' : '');
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|                 }
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| 
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|                 $shortcut   = $option->getShortcut() ? sprintf('-%s|', $option->getShortcut()) : '';
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|                 $elements[] = sprintf('[%s--%s%s]', $shortcut, $option->getName(), $value);
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|             }
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|         }
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| 
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|         if (count($elements) && $this->getArguments()) {
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|             $elements[] = '[--]';
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|         }
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| 
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|         foreach ($this->getArguments() as $argument) {
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|             $element = '<' . $argument->getName() . '>';
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|             if (!$argument->isRequired()) {
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|                 $element = '[' . $element . ']';
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|             } elseif ($argument->isArray()) {
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|                 $element .= ' (' . $element . ')';
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|             }
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| 
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|             if ($argument->isArray()) {
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|                 $element .= '...';
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|             }
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| 
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|             $elements[] = $element;
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|         }
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| 
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|         return implode(' ', $elements);
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|     }
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| }
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